December Weather in Waimanalo Beach, United States

Last updated: February 24, 2025

Waimanalo Beach in December offers a mild and inviting climate, with maximum temperatures reaching up to 26°C (79°F) and an average of 24°C (75°F), providing a comfortable environment for beachgoers. The evenings cool down to a minimum of 20°C (68°F), making it perfect for nighttime strolls by the ocean. While precipitation is common, with 63 mm (2.5 in) of rain expected over approximately 8 days, the 79% humidity adds to the tropical charm of the region. Visitors can enjoy the balance of sunny days and refreshing tropical showers, making December a delightful time to explore the natural beauty of Waimanalo Beach.

December Temperature in Waimanalo Beach

In December, Waimanalo Beach offers a delightful tropical retreat with pleasant temperatures that reflect the season's mild charm. Minimum temperatures settle at a comfortable 20°C (68°F), while the average clings to a cozy 24°C (75°F), providing an inviting atmosphere for beachgoers. Those seeking warmth will find solace in the maximum highs of 26°C (79°F), marking a subtle dip from the more intense summer heat. This month showcases a gradual transition towards cooler weather compared to the preceding months, yet the climate remains invitingly warm, making December an ideal time to enjoy both the sun and the serene beauty of the beach.

December Weather in Waimanalo Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Waimanalo Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747373747577787979787775
Data source: Temperature data for Waimanalo Beach generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Waimanalo Beach

In December, Waimanalo Beach experiences a notable uptick in precipitation, with 63 mm (2.5 in) of rain over 8 days. This increase marks a significant contrast to the drier months of summer, where July and August saw only 2 days of rain each, producing minimal totals. As the year comes to a close, the rainfall in December contributes to a wetter trend that peaks in the winter months, particularly when compared to the drier periods in early summer. This month’s precipitation sets the stage for lush landscapes and vibrant ecosystems, showcasing Waimanalo Beach's natural beauty even in the midst of the rainy season.

December Precipitation Trends in Waimanalo Beach

The chart displays monthly precipitation patterns in Waimanalo Beach, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec166066302327131519452563
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Waimanalo Beach

As December rolls into Waimanalo Beach, the humidity dips slightly to 79%, maintaining a trend of moderate moisture levels influenced by the tropical climate. Over the course of the year, humidity levels have fluctuated gently, peaking at 83% in the summer months of July and August, while the cooler, transitional months saw a slight decrease. Notably, the gradual rise from 78% in January to 82% in May hints at the increasing warmth as the year progresses, before tapering off towards the end of the year. This consistent humidity plays a crucial role in creating the lush, vibrant landscapes that make Waimanalo Beach a stunning destination year-round.

December Average Humidity in Waimanalo Beach

This chart illustrates the average monthly humidity levels in Waimanalo Beach, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%78%81%82%82%83%83%82%81%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Waimanalo Beach

In December, Waimanalo Beach experiences a UV Index of 8, categorized as very high, which means you'll want to take precautions similar to those earlier in the year. This marks a notable drop from the extreme levels typical of mid-summer months, where the UV Index peaked at 13 in June, July, and August, requiring a mere 10 minutes of sun exposure to risk a burn. However, as the year closes, the burn time extends back to 15 minutes, offering a slight reprieve. This trend of fluctuating UV levels is an essential reminder to stay vigilant about sun safety throughout the year. For more insights and daily updates, check out the Waimanalo Beach UV Index.

Maximum UV Index Levels in Waimanalo Beach for December

The chart shows the monthly maximum UV Index (UVI) for Waimanalo Beach in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810111212131313121188
Data source: Waimanalo Beach December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Waimanalo Beach

Waimanalo Beach enjoys an enviable amount of sunshine throughout the year, with December basking in 260 hours of radiant daylight. While this marks a gentle decline from the sunniest peak in July, which boasts an impressive 350 hours, it still reflects the beautiful coastal climate that draws visitors year-round. The month of December settles comfortably between the vibrant summer months and the cooler winter ones, maintaining a warm atmosphere that resonates with tropical allure. As the year winds down, the consistent sunshine not only lifts spirits but also provides a perfect backdrop for beachgoers and nature lovers alike, contributing to Waimanalo's reputation as a year-round paradise.

Monthly Sunshine Duration in Waimanalo Beach: December Highlighted

The December sunshine duration represents the total number of hours Waimanalo Beach experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec223h252h289h310h337h339h350h339h319h302h275h260h
Data source: Waimanalo Beach December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Waimanalo Beach During December

As December approaches, the likelihood of sunny weather in Waimanalo Beach takes a noticeable dip, with only 41% chance of sunshine. This decline is part of a broader trend observed throughout the year, where the sunniest months are typically in late spring to summer, such as May and August, boasting chances as high as 73% and 74% respectively. Conversely, the early winter months, including December, show a significant decrease in sunny days compared to the averages seen in the preceding months of November and October, which hover around 64% and 69%. This seasonal shift marks December as a time of increased cloud cover, leaving beachgoers with a lower probability of enjoying the bright, sunny days that characterize the peak months.

Percentage of Sunny Days in December in Waimanalo Beach

The chart illustrates the percentage of sunny days in Waimanalo Beach throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Waimanalo Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%64%53%64%73%69%61%74%70%69%64%41%
Data source: Waimanalo Beach December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Waimanalo Beach in December

As December rolls in, Waimanalo Beach experiences 10 hours of daylight, marking a subtle shift back towards the shorter days of winter. This decline follows a season of gradually increasing sunlight, where the summer months of May through July boast up to 13 hours of daylight. Interestingly, daylight duration peaks in mid-year before tapering off again, reflecting a rhythm of abundance in light that begins in late spring and recedes into the cooler months. With each passing season, the cycle reveals an enduring pattern: longer days in summer and shorter days in winter, inviting both residents and visitors to embrace the unique charm of Waimanalo's beautiful coastal landscape throughout the year.

Average Daylight Hours in Waimanalo Beach for December

The chart illustrates the variation in daylight duration in Waimanalo Beach throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 59m11h 26m12h 2m12h 38m13h 9m13h 23m13h 15m12h 48m12h 13m11h 37m11h 6m10h 50m
Data source: Waimanalo Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Waimanalo Beach

As December rolls in at Waimanalo Beach, the winds begin to pick up, averaging 7.5 m/s (17 mph). This slight increase from November's notably calmer 5.1 m/s (11 mph) marks a refreshing return to the breezier conditions typical of earlier months. Throughout the year, wind speeds fluctuate, with notable peaks in July, averaging 8.7 m/s (19 mph), but December offers a balanced blend of invigorating winds reminiscent of the spring months, evoking a sense of tranquility while maintaining the beach's lively atmosphere. Overall, December reflects a consistent trend of moderate to brisk winds that enhance the natural beauty and recreational charm of Waimanalo Beach during the festive season.

Average December Wind Speed in Waimanalo Beach

The chart displays monthly wind speed patterns in Waimanalo Beach, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.36.67.36.36.96.88.77.37.78.05.17.5 m/s
Data source: Waimanalo Beach December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Waimanalo Beach Compares to Other Months

The weather in Waimanalo Beach changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Waimanalo Beach and find detailed weather information for every month.

In December, the weather is characterized by slightly warmer temperatures, with a minimum of 20°C (68°F) and an average high of 26°C (79°F). This month also sees increased rainfall, totaling 63 mm (2.5 in) over about 8 days, and a humidity level of 79%. In contrast, January offers marginally cooler temperatures, with a minimum of 20°C (69°F) and an average maximum of 25°C (78°F). Precipitation drops significantly to just 16 mm (0.6 in) over 4 days, and humidity remains relatively stable at 78%. For a more detailed look at weather conditions in January, you can visit Waimanalo Beach weather in January.

In comparing the weather between December and February, we find that December tends to be slightly warmer, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 26°C (79°F). February, on the other hand, exhibits a slightly cooler profile, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 25°C (77°F). Both months experience similar levels of precipitation, with December receiving 63 mm (2.5 inches) over 8 days, while February sees 60 mm (2.4 inches) over 9 days. Notably, humidity remains consistent in both months at 79%. For those interested in the specific conditions of February, additional information can be found here: Waimanalo Beach weather in February.

In December, the weather typically features a warmer minimum temperature of 20°C (68°F) with an average of 24°C (75°F) and a maximum of 26°C (79°F). The month also sees approximately 63 mm (2.5 in) of precipitation over about 8 days, accompanied by humidity levels around 79%. In contrast, March experiences slightly cooler temperatures, with a minimum of 19°C (67°F), an average of 23°C (73°F), and a maximum of 25°C (77°F). Precipitation in March rises slightly to 66 mm (2.6 in) over 9 days, while humidity remains comparable at 78%. Overall, both months offer warm temperatures and similar humidity, though March tends to be a bit cooler and wetter. For more detailed insights, check out Waimanalo Beach weather in March.

In December, the weather is characterized by warmer temperatures, with an average of 24°C (75°F) and a maximum of 26°C (79°F). However, this month also sees a higher amount of rainfall, averaging 63 mm (2.5 in) over 8 days, coupled with a humidity level of 79%. In contrast, April maintains a similar temperature range, with an average of 24°C (75°F) and a maximum of 25°C (78°F), but experiences significantly less rainfall at just 30 mm (1.2 in) over 6 days. The humidity in April is slightly higher at 81%, making for a balmy atmosphere. For more details on specific conditions, you can visit Waimanalo Beach weather in April.

December and May present relatively similar temperatures, with December showing a minimum of 20°C (68°F) and a maximum of 26°C (79°F), while May ranges from a minimum of 19°C (66°F) to a maximum of 27°C (80°F). However, December tends to be wetter, receiving 63 mm (2.5 in) of precipitation over 8 days compared to May’s lighter rainfall of 23 mm (0.9 in) across just 4 days. Despite the increase in precipitation, December's average humidity at 79% is slightly lower than May's 82%. For more details on May weather, you can visit Waimanalo Beach weather in May.

In comparing the weather of December and June, December experiences slightly cooler temperatures with minimums around 20°C (68°F) and an average of 24°C (75°F), while June starts off warmer with a minimum of 23°C (74°F) and an average temperature of 25°C (78°F). December is also wetter, receiving 63 mm (2.5 in) of precipitation over 8 days, in contrast to June, which has only 27 mm (1.1 in) over just 3 days. Humidity levels remain similar, with December at 79% and June slightly higher at 82%. For more detailed weather information for June, you can check out Waimanalo Beach weather in June.

December and July display notable differences in weather patterns. December experiences slightly cooler temperatures, with averages around 24°C (75°F) and maximums reaching 26°C (79°F), while July boasts warmer conditions, averaging 26°C (79°F) and peaking at 28°C (82°F). Precipitation is more frequent in December, with an average of 63 mm (2.5 in) over 8 days, compared to July's much drier conditions, which see only 13 mm (0.5 in) over 2 days. Humidity levels remain relatively high in both months, with December at 79% and July slightly higher at 83%. For a closer look at the specific weather conditions in July, you can refer to Waimanalo Beach weather in July.

In comparing the weather of December and August, December experiences milder temperatures with a minimum of 20°C (68°F) and an average of 24°C (75°F), compared to the warmer August temperatures, which range from a minimum of 24°C (76°F) to an average of 26°C (79°F). While December sees slightly more precipitation at 63 mm (2.5 in) over 8 days, August is much drier with only 15 mm (0.6 in) across just 2 days. Humidity levels are relatively similar, with December at 79% and August slightly higher at 83%. For a more detailed look at August weather conditions, you can check Waimanalo Beach weather in August.

In comparing the weather between December and September, December experiences slightly cooler temperatures with a minimum of 20°C (68°F) and an average of 24°C (75°F), while September starts off warmer, with minimum temperatures of 23°C (75°F) and averages around 26°C (79°F). Both months have high humidity levels, though December has a slightly lower average at 79% compared to September's 82%. Precipitation also varies, with December seeing more rainfall at 63 mm (2.5 in) over 8 days, whereas September is drier, only accumulating 19 mm (0.7 in) over 4 days. For more detailed information on September weather, you can check Waimanalo Beach weather in September.

In December, temperatures are slightly cooler with a minimum of 20°C (68°F) and an average of 24°C (75°F), while October boasts higher temperatures, with a minimum of 23°C (73°F) and an average of 26°C (79°F). While both months experience relatively high humidity, December has 79% compared to October's 81%. Precipitation is more frequent in December, totaling 63 mm (2.5 in) over 8 days, whereas October sees less rainfall at 45 mm (1.8 in) over 7 days. For more details on October weather, visit Waimanalo Beach weather in October.

When comparing the weather in December to November, we see a slight drop in temperatures. December has a minimum temperature of 20°C (68°F), an average of 24°C (75°F), and a maximum of 26°C (79°F), while November is a bit warmer with a minimum of 21°C (70°F), an average of 25°C (77°F), and a maximum of 27°C (82°F). Precipitation also increases in December, with 63 mm (2.5 in) falling over 8 days, compared to November's 25 mm (1.0 in) over 6 days. Humidity levels remain similar, sitting at 79% in December and 80% in November. For a closer look at November's conditions, you can check out Waimanalo Beach weather in November.

Compare Waimanalo Beach's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Waimanalo Beach

December at Waimanalo Beach showcases a refreshing transition in weather, making it distinct from the warmer months of the year. With pleasant average temperatures hovering around 24°C (75°F), the beach invites visitors to enjoy its beauty without the sweltering heat typical of summer. Although there's a slight uptick in precipitation, with about 63 mm spread over 8 days, the overall atmosphere remains tropical and lush, perfect for exploring the scenic landscapes. The humidity, while present at 79%, complements the mild temperatures, providing a comfortable experience for beachgoers. For a deeper insight into the seasonal patterns you can expect, check out Waimanalo Beach Climate.